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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5-2405S vs i3-4340

The Intel Core i3-4340 @ 3.60GHz is newer than Intel Core i5-2405S @ 2.50GHz is around 32% faster in single-thread testing. Also, Intel Core i5-2405S @ 2.50GHz uses around 18% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 201 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i5-2405S @ 2.50GHz×Intel Core i3-4340 @ 3.60GHz+ ADD
Price Search Online $39.09 - BUY
Socket TypeLGA1155LGA1150
CPU ClassDesktopDesktop
Clockspeed2.5 GHz3.6 GHz
Turbo SpeedUp to 3.3 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L1: 256KB, L2: 1.0MB,
TDP65W54W
Yearly Running Cost$11.86$9.86
Other
First Seen on ChartQ2 2011Q1 2013
# of Samples35166
CPU Rank28242782
CPU Value22.789.8
Single Thread Rating(% diff. to max in group)1503(-24.5%)1991(0.0%)
CPU Mark(% diff. to max in group)3400(-3.1%)3510(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of February 2026 - Higher results represent better performance
Intel Core i5-2405S @ 2.50GHz
3,400
Intel Core i3-4340 @ 3.60GHz
3,510
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 14th of February 2026 - Higher results represent better value
Intel Core i5-2405S @ 2.50GHz
22.7
Intel Core i3-4340 @ 3.60GHz
89.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 14th of February 2026 - Higher results represent better performance
Intel Core i5-2405S @ 2.50GHz
1,503
Intel Core i3-4340 @ 3.60GHz
1,991
PassMark Software © 2008-2026
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i5-2405S @ 2.50GHz Intel Core i3-4340 @ 3.60GHz
Max TDP65W54W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.